45156659 has 4 divisors (see below), whose sum is σ = 47120016. Its totient is φ = 43193304.

The previous prime is 45156649. The next prime is 45156667. The reversal of 45156659 is 95665154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45156659 - 2¹² = 45152563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45156649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981644 + ... + 981689.

It is an arithmetic number, because the mean of its divisors is an integer number (11780004).

Almost surely, 2^45156659 is an apocalyptic number.

45156659 is a deficient number, since it is larger than the sum of its proper divisors (1963357).

45156659 is a wasteful number, since it uses less digits than its factorization.

45156659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963356.

The product of its digits is 162000, while the sum is 41.

The square root of 45156659 is about 6719.8704600610. The cubic root of 45156659 is about 356.1016074697.

The spelling of 45156659 in words is "forty-five million, one hundred fifty-six thousand, six hundred fifty-nine".